linux-kernel - Re: [PATCH 00/16] DEPT(Dependency Tracker)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 19 Feb 2022 19:05:19 +0900
From:   Byungchul Park <byungchul.park@....com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Theodore Ts'o <tytso@....edu>, torvalds@...ux-foundation.org,
        damien.lemoal@...nsource.wdc.com, linux-ide@...r.kernel.org,
        adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
        mingo@...hat.com, linux-kernel@...r.kernel.org,
        peterz@...radead.org, will@...nel.org, tglx@...utronix.de,
        joel@...lfernandes.org, sashal@...nel.org, daniel.vetter@...ll.ch,
        chris@...is-wilson.co.uk, duyuyang@...il.com,
        johannes.berg@...el.com, tj@...nel.org, david@...morbit.com,
        amir73il@...il.com, bfields@...ldses.org,
        gregkh@...uxfoundation.org, kernel-team@....com,
        linux-mm@...ck.org, akpm@...ux-foundation.org, mhocko@...nel.org,
        minchan@...nel.org, hannes@...xchg.org, vdavydov.dev@...il.com,
        sj@...nel.org, jglisse@...hat.com, dennis@...nel.org, cl@...ux.com,
        penberg@...nel.org, rientjes@...gle.com, vbabka@...e.cz,
        ngupta@...are.org, linux-block@...r.kernel.org, axboe@...nel.dk,
        paolo.valente@...aro.org, josef@...icpanda.com,
        linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
        jack@...e.cz, jack@...e.com, jlayton@...nel.org,
        dan.j.williams@...el.com, hch@...radead.org, djwong@...nel.org,
        dri-devel@...ts.freedesktop.org, airlied@...ux.ie,
        rodrigosiqueiramelo@...il.com, melissa.srw@...il.com,
        hamohammed.sa@...il.com
Subject: Re: [PATCH 00/16] DEPT(Dependency Tracker)

On Thu, Feb 17, 2022 at 05:06:18PM +0000, Matthew Wilcox wrote:
> On Thu, Feb 17, 2022 at 12:00:05PM -0500, Steven Rostedt wrote:
> > On Thu, 17 Feb 2022 10:51:09 -0500
> > "Theodore Ts'o" <tytso@....edu> wrote:
> > 
> > > I know that you're trying to help us, but this tool needs to be far
> > > better than Lockdep before we should think about merging it.  Even if
> > > it finds 5% more potential deadlocks, if it creates 95% more false
> > > positive reports --- and the ones it finds are crazy things that
> > > rarely actually happen in practice, are the costs worth the benefits?
> > > And who is bearing the costs, and who is receiving the benefits?
> > 
> > I personally believe that there's potential that this can be helpful and we
> > will want to merge it.
> > 
> > But, what I believe Ted is trying to say is, if you do not know if the
> > report is a bug or not, please do not ask the maintainers to determine it
> > for you. This is a good opportunity for you to look to see why your tool
> > reported an issue, and learn that subsystem. Look at if this is really a
> > bug or not, and investigate why.
> 
> I agree with Steven here, to the point where I'm willing to invest some
> time being a beta-tester for this, so if you focus your efforts on
> filesystem/mm kinds of problems, I can continue looking at them and
> tell you what's helpful and what's unhelpful in the reports.

I appreciate your support. I'll do my best to make it *THE* perfect tool
for that purpose. I'd feel great if it helps a lot and saves you guys'
time in advance, it might not for now tho.

Thanks,
Byungchul